Heating Scrap in the Converter
Options for scrap heating in the converter
Option |
Sequence of operations |
One-stage |
1. scrap charging + heating + casting of hot iron; 2. scrap charging + heating + scrap charging + hot metal charging. |
Two-stage |
1.scrap charging + heating + hot metal charging; 2. scrap charging + heating + scrap charging + heating +scrap charging + hot metal charging. |
Three-stage, etc. |
scrap charging + heating + scrap charging + heating + scrap charging + heating +scrap charging +hot metal charging. |
Types of heating of scrap in the converter
Type of Heating |
Duration of heating (min) |
Application |
Light |
3 – 4 |
-To prevent explosions and claps - With standard scrap loading |
Traditional |
6 – 9 |
-To prevent explosions and claps -To increase share of scrap - With standard scrap loading |
Extended |
over 9 |
-Additional increase of share of scrap -To provide production during shortage of hot metal. |